source <(sed 's/^pkgbase=linux$/pkgbase=linux-pae/' "${BASH_SOURCE%/*}/PKGBUILD_upstream_linux")

# upstream git revision: 3cfc65aa439e42f6dd539f29d3ebb972c5508f7e

source+=('config.x86_64')
sha256sums+=('04143712e593d45a597661fe00f89cf92d52c62df3468c68a46c952c2ef4db64')
b2sums+=('21083151bdcd0fc2bcc0475b9cd73bab5666a71f043eedd67b19a3a4c09c8253a5a06794ce9270215782f5885e05e70b5e424123f1bded7aa7a6d3f30d02a4b3')
source_pentium4=('config.pentium4')
source_i686=('config.i686')
source_i486=('config.i486')
# fail if upstream's .config changes
for ((i=0; i<${#b2sums[@]}; i++)); do
  if [ "${b2sums[${i}]}" = '21083151bdcd0fc2bcc0475b9cd73bab5666a71f043eedd67b19a3a4c09c8253a5a06794ce9270215782f5885e05e70b5e424123f1bded7aa7a6d3f30d02a4b3' ]; then
    b2sums_pentium4=('759861f49726995d56e2fea96b60622d67fd43c8f8643b183ea0ee1efbe86e98c1435561e2d9ef3c58d581e8a6d147c8a11f4de97c2aaa25231b26db9e1c4859')
    b2sums_i686=('3c716e2c37196cb9be479e3dfddaa1ad36da4053dfdd8c84a9141289d958e2c995795a13f683507bf2a6fa09f4ccaf52a576b6589c93bd36bd934c2a1ee34312')
    b2sums_i486=('21e9e76c23d6ef348f5e54480ee3f16fb6c86d67c9103fea30fec91102e3695ebf53fa970bc8a7b842fd4763defd02b92bbd099bf77dccd4abd627f879425c06')
  fi
done

# copy architecture specific config file, not default 'config'
eval "$(
  declare -f prepare | \
    sed '
      s,\.\./config,../config.$CARCH,
    '
)"

# patch architecture when copying the kernel Makefile
eval "$(
  declare -f package_linux-headers | \
    sed '
      \,/tools/objtool" ,d
      \,arch/x86/Makefile, {
        a \
        install -t "${builddir}/arch/x86" -m644 arch/x86/Makefile_32.cpu
      }
      $ i depends+=(gcc-libs=$(_get_gcc_version_from_config))
    '
)"

_get_gcc_version_from_config() {
  if [ -z "$srcdir" ]; then
    gcc --version \
    | sed '
      s@^.* @@
      1!d
    '
  else
    for _config_file in "$srcdir/$_srcname/.config" "$srcdir/config" "${srcdir%/*}/config"; do
      [ -f "$_config_file" ] && break
    done
    sed '
      s/^CONFIG_CC_VERSION_TEXT="gcc (GCC) \([0-9.]\+\)"$/\1/
      t
      d
    ' "$_config_file"
  fi
}

# use our tarballer instead of cloning from git
for ((i=0; i<${#source[@]}; i++)); do
  infos=$(
    printf '%s\n' "${source[${i}]}" | \
      sed '
        s@^\(\([^:]\+\)::\)\?\(git\|hg\)+\([^#?]\+\)\(?signed\)\?#\(\(tag\|commit\)=[^?]\+\)$@\3 \2 \4 \5 \6@
        t
        s@^\(\([^:]\+\)::\)\?\(git\|hg\)+\([^#?]\+\)#\(\(tag\|commit\)=[^?]\+\)\(?signed\)\?$@\3 \2 \4 \7 \5@
        t
        d
      '
  )
  if [ -n "${infos}" ]; then
    source[${i}]=$(
      type="${infos%% *}"
      infos="${infos#* }"
      if [ -n "${infos%% *}" ]; then
        prefix="${infos%% *}"
      else
        prefix=''
      fi
      infos="${infos#* }"
      repo="${infos%% *}"
      repo64=$(
        printf '%s' "${repo}" | \
          base64 -w0 | \
          sed 's/=/%3D/g'
      )
      infos="${infos#* }"
      if [ "${infos%% *}" = '?signed' ]; then
        key_check=$(
          printf '&valid_keys='
          printf '%s,' "${validpgpkeys[@]}" | \
            sed 's/,$//'
        )
      else
        key_check=''
      fi
      infos="${infos#* }"
      if [ -z "${prefix}" ]; then
        prefix="${repo%.git}"
        prefix="${prefix##*/}"
      fi
      prefix_64=$(
        printf '%s/' "${prefix}" | \
          base64 -w0 | \
          sed 's/=/%3D/g'
      )

      printf '%s-%s.tar.gz::https://archive-server.archlinux32.org/?t=%s&p=%s&r=%s%s&%s\n' \
        "${prefix}" \
        "${pkgver}" \
        "${type}" \
        "${prefix_64}" \
        "${repo64}" \
        "${key_check}" \
        "${infos}"
    )
  fi
done

# upstream prepare() does already do the *.patch patching

# avoid using zstd compression in ultra mode (exhausts virtual memory)
source+=('no-ultra-zstd.patch')
sha256sums+=('d32270be5fd9c3e3ba50f3aef33f6cfcb85be0c8216f03b777287cc621fdff28')
b2sums+=('165ab9dd8cedeaae5327accc1581c19cf0be55f923b03feb889cad3351b74c7c4cd3d3c206938e5152bfe1d947513dea8f630f8f5544099ec13d16d254725c40')

# temporarily disabled documentation due to sphinx_rtd_theme (FS32#163)
pkgname=(
  $(
    printf '%s\n' "${pkgname[@]}" | \
      grep -v '^\$pkgbase-docs'
  )
)
eval "$(
  declare -f build | \
    sed '
      s/\bhtmldocs\b//
    '
)"
makedepends=(${makedepends[@]//python-sphinx_rtd_theme/})
makedepends=(${makedepends[@]//python-sphinx<6.0.0/})
makedepends=(${makedepends[@]//graphviz/})
makedepends=(${makedepends[@]//imagemagick/})
makedepends=(${makedepends[@]//texlive-latexextra/})